X0508 4 2025-09-01 0 0001989393 PARTNERS GROUP NEXT GENERATION INFRASTRUCTURE, LLC N/A 0001853548 Yankilevich Helen C/O PARTNERS GROUP (USA) INC. 1114 AVENUE OF THE AMERICAS, 37TH FLOOR NEW YORK NY 10036 0 1 0 0 Chief Operating Officer 0 Limited Liability Company Shares, Class I 2025-09-01 4 P 0 56668.574 1.747 A 99000 I By Spouse The Reporting Person's spouse submitted a subscription document to purchase units of the issuer as of September 1, 2025. The amount of shares purchased, the price and the amount of shares beneficially owned after the transaction are estimated using a July 31, 2025 net asset value ("NAV") due to the timing of the calculation of the issuer's NAV, which is not available at the time of this filing. /s/ Helen Yankilevich 2025-09-12